1.

Find the valency factor (n) for `NH_(2)OH` in given reaction : `Fe^(3+)+NH_(2)OHrarrFe^(2+)+N_(2)O+H^(+)+H_(2)O`

Answer» Correct Answer - 2
`{:(NH_(2)OHrarrN_(2)O),(" (-1) (+1) oxidation number of nitrogen"):}`
`:. ` Vf=change in oxidation number of nitrogen = 2.


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